Lake Jackson, TX, United States of America

Shuji Ohnishi


Average Co-Inventor Count = 2.5

ph-index = 4

Forward Citations = 42(Granted Patents)


Location History:

  • Hasaki, JP (1994)
  • Lake Jackson, TX (US) (1994 - 1995)
  • Ibaraki, JP (1995)
  • Kamisu-machi, JP (1997 - 1998)

Company Filing History:


Years Active: 1994-1998

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11 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Shuji Ohnishi in Polymerization Technology

Introduction: Shuji Ohnishi, based in Lake Jackson, TX, is an accomplished inventor with a remarkable portfolio that includes 11 patents. His groundbreaking work primarily focuses on advancements in polymerization technology, particularly the production of vinyl chloride type polymers.

Latest Patents: Ohnishi's latest patents include a sophisticated polymerization apparatus designed to enhance the efficiency of producing vinyl chloride polymers. This apparatus features a cylindrical polymerization vessel equipped with vertically extending pipes, known as baffles, and innovative serpentine pipelines that enable effective cooling during the polymerization process. The design facilitates a high-speed reaction, making it possible to carry out a stable polymerization reaction in large-sized vessels. As a result, the method yields high-quality and uniform polymers, characterized by minimal defects such as fish eyes and a high bulk specific gravity.

Career Highlights: Throughout his career at Shin-Etsu Chemical Co., Ltd., Shuji Ohnishi has significantly contributed to advancements in polymer chemistry. His inventions provide essential solutions that enhance production quality and efficiency, making a substantial impact in the industry.

Collaborations: Ohnishi has had the privilege of collaborating with esteemed colleagues, including Tadashi Amano and Yoichi Tanifuji. Their combined expertise has led to numerous innovations in the field, further advancing the understanding and application of polymerization techniques.

Conclusion: Shuji Ohnishi's innovative work in polymerization technology exemplifies the critical role of inventors in shaping modern industrial processes. His patents contribute valuable advancements that benefit both the scientific community and the broader manufacturing industry. As he continues to develop new methods and technologies, Ohnishi remains a notable figure in the realm of polymer science.

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